HEADER LIGASE 26-APR-07 2YXN TITLE STRUCTUAL BASIS OF AZIDO-TYROSINE RECOGNITION BY ENGINEERED BACTERIAL TITLE 2 TYROSYL-TRNA SYNTHETASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYROSYL-TRNA SYNTHETASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1-322; COMPND 5 SYNONYM: TYROSINE--TRNA LIGASE, TYRRS; COMPND 6 EC: 6.1.1.1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 316407; SOURCE 4 STRAIN: K12 SUBSTR. W3110; SOURCE 5 GENE: TYRS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX-6P-2 KEYWDS TRNA SYNTHETASES CLASS I, STRUCTURAL GENOMICS, NPPSFA, NATIONAL KEYWDS 2 PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN KEYWDS 3 STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI, LIGASE EXPDTA X-RAY DIFFRACTION AUTHOR K.OKI,T.KOBAYASHI,K.SAKAMOTO,S.YOKOYAMA,RIKEN STRUCTURAL AUTHOR 2 GENOMICS/PROTEOMICS INITIATIVE (RSGI) REVDAT 7 25-OCT-23 2YXN 1 REMARK REVDAT 6 10-NOV-21 2YXN 1 REMARK SEQADV REVDAT 5 16-OCT-19 2YXN 1 REMARK REVDAT 4 30-MAY-12 2YXN 1 JRNL REVDAT 3 13-JUL-11 2YXN 1 VERSN REVDAT 2 24-FEB-09 2YXN 1 VERSN REVDAT 1 29-APR-08 2YXN 0 JRNL AUTH F.IRAHA,K.OKI,T.KOBAYASHI,S.OHNO,T.YOKOGAWA,K.NISHIKAWA, JRNL AUTH 2 S.YOKOYAMA,K.SAKAMOTO JRNL TITL FUNCTIONAL REPLACEMENT OF THE ENDOGENOUS TYROSYL-TRNA JRNL TITL 2 SYNTHETASE-TRNATYR PAIR BY THE ARCHAEAL TYROSINE PAIR IN JRNL TITL 3 ESCHERICHIA COLI FOR GENETIC CODE EXPANSION JRNL REF NUCLEIC ACIDS RES. V. 38 3682 2010 JRNL REFN ISSN 0305-1048 JRNL PMID 20159998 JRNL DOI 10.1093/NAR/GKQ080 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.26 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1745271.440 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 35120 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1749 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5492 REMARK 3 BIN R VALUE (WORKING SET) : 0.2800 REMARK 3 BIN FREE R VALUE : 0.3340 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 285 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2536 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 295 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.72000 REMARK 3 B22 (A**2) : 2.72000 REMARK 3 B33 (A**2) : -5.43000 REMARK 3 B12 (A**2) : 1.79000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.19 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.910 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.860 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.500 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.220 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.580 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 39.81 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : AZT.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : AZT.TOP REMARK 3 TOPOLOGY FILE 5 : ION.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2YXN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-JUL-07. REMARK 100 THE DEPOSITION ID IS D_1000027263. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUL-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL26B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU JUPITER REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35502 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 10.80 REMARK 200 R MERGE (I) : 0.11300 REMARK 200 R SYM (I) : 0.11300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 23.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.080 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 1WQ3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2M AMMONIUM SULFATE, 0.1M HEPES, 2% REMARK 280 PEG400, PH 7.5, VAPOR DIFFUSION, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 31.22267 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 62.44533 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 62.44533 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 31.22267 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2960 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -22.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ASP A 21 63.75 36.04 REMARK 500 ASP A 115 59.36 -140.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AZY A 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1WQ3 RELATED DB: PDB REMARK 900 RELATED ID: AR_001000842.1 RELATED DB: TARGETDB DBREF 2YXN A 1 322 UNP P0AGJ9 SYY_ECOLI 1 322 SEQADV 2YXN VAL A 37 UNP P0AGJ9 TYR 37 ENGINEERED MUTATION SEQADV 2YXN CYS A 195 UNP P0AGJ9 GLN 195 ENGINEERED MUTATION SEQRES 1 A 322 MET ALA SER SER ASN LEU ILE LYS GLN LEU GLN GLU ARG SEQRES 2 A 322 GLY LEU VAL ALA GLN VAL THR ASP GLU GLU ALA LEU ALA SEQRES 3 A 322 GLU ARG LEU ALA GLN GLY PRO ILE ALA LEU VAL CYS GLY SEQRES 4 A 322 PHE ASP PRO THR ALA ASP SER LEU HIS LEU GLY HIS LEU SEQRES 5 A 322 VAL PRO LEU LEU CYS LEU LYS ARG PHE GLN GLN ALA GLY SEQRES 6 A 322 HIS LYS PRO VAL ALA LEU VAL GLY GLY ALA THR GLY LEU SEQRES 7 A 322 ILE GLY ASP PRO SER PHE LYS ALA ALA GLU ARG LYS LEU SEQRES 8 A 322 ASN THR GLU GLU THR VAL GLN GLU TRP VAL ASP LYS ILE SEQRES 9 A 322 ARG LYS GLN VAL ALA PRO PHE LEU ASP PHE ASP CYS GLY SEQRES 10 A 322 GLU ASN SER ALA ILE ALA ALA ASN ASN TYR ASP TRP PHE SEQRES 11 A 322 GLY ASN MET ASN VAL LEU THR PHE LEU ARG ASP ILE GLY SEQRES 12 A 322 LYS HIS PHE SER VAL ASN GLN MET ILE ASN LYS GLU ALA SEQRES 13 A 322 VAL LYS GLN ARG LEU ASN ARG GLU ASP GLN GLY ILE SER SEQRES 14 A 322 PHE THR GLU PHE SER TYR ASN LEU LEU GLN GLY TYR ASP SEQRES 15 A 322 PHE ALA CYS LEU ASN LYS GLN TYR GLY VAL VAL LEU CYS SEQRES 16 A 322 ILE GLY GLY SER ASP GLN TRP GLY ASN ILE THR SER GLY SEQRES 17 A 322 ILE ASP LEU THR ARG ARG LEU HIS GLN ASN GLN VAL PHE SEQRES 18 A 322 GLY LEU THR VAL PRO LEU ILE THR LYS ALA ASP GLY THR SEQRES 19 A 322 LYS PHE GLY LYS THR GLU GLY GLY ALA VAL TRP LEU ASP SEQRES 20 A 322 PRO LYS LYS THR SER PRO TYR LYS PHE TYR GLN PHE TRP SEQRES 21 A 322 ILE ASN THR ALA ASP ALA ASP VAL TYR ARG PHE LEU LYS SEQRES 22 A 322 PHE PHE THR PHE MET SER ILE GLU GLU ILE ASN ALA LEU SEQRES 23 A 322 GLU GLU GLU ASP LYS ASN SER GLY LYS ALA PRO ARG ALA SEQRES 24 A 322 GLN TYR VAL LEU ALA GLU GLN VAL THR ARG LEU VAL HIS SEQRES 25 A 322 GLY GLU GLU GLY LEU GLN ALA ALA LYS ARG HET AZY A 501 16 HETNAM AZY 3-AZIDO-L-TYROSINE FORMUL 2 AZY C9 H10 N4 O3 FORMUL 3 HOH *295(H2 O) HELIX 1 1 ASN A 5 ARG A 13 1 9 HELIX 2 2 ASP A 21 GLY A 32 1 12 HELIX 3 3 HIS A 48 ALA A 64 1 17 HELIX 4 4 ALA A 75 ILE A 79 5 5 HELIX 5 5 THR A 93 ALA A 109 1 17 HELIX 6 6 PRO A 110 LEU A 112 5 3 HELIX 7 7 CYS A 116 SER A 120 5 5 HELIX 8 8 ASN A 126 GLY A 131 1 6 HELIX 9 9 ASN A 134 ILE A 142 1 9 HELIX 10 10 GLY A 143 PHE A 146 5 4 HELIX 11 11 SER A 147 ILE A 152 1 6 HELIX 12 12 LYS A 154 ARG A 163 1 10 HELIX 13 13 SER A 169 SER A 174 1 6 HELIX 14 14 SER A 174 GLY A 191 1 18 HELIX 15 15 GLN A 201 GLN A 217 1 17 HELIX 16 16 SER A 252 ASN A 262 1 11 HELIX 17 17 ALA A 264 THR A 276 1 13 HELIX 18 18 SER A 279 GLY A 294 1 16 HELIX 19 19 ARG A 298 ALA A 320 1 23 SHEET 1 A 6 GLN A 18 VAL A 19 0 SHEET 2 A 6 PHE A 221 THR A 224 -1 O THR A 224 N GLN A 18 SHEET 3 A 6 VAL A 192 GLY A 197 1 N VAL A 193 O PHE A 221 SHEET 4 A 6 ALA A 35 PHE A 40 1 N VAL A 37 O ILE A 196 SHEET 5 A 6 LYS A 67 VAL A 72 1 O LYS A 67 N LEU A 36 SHEET 6 A 6 ILE A 122 ASN A 125 1 O ILE A 122 N ALA A 70 SHEET 1 B 2 LYS A 238 THR A 239 0 SHEET 2 B 2 GLY A 242 ALA A 243 -1 O GLY A 242 N THR A 239 SITE 1 AC1 14 GLY A 39 ASP A 41 LEU A 71 ASP A 81 SITE 2 AC1 14 TYR A 175 GLN A 179 ASP A 182 CYS A 195 SITE 3 AC1 14 GLN A 201 HOH A 519 HOH A 561 HOH A 571 SITE 4 AC1 14 HOH A 728 HOH A 795 CRYST1 83.155 83.155 93.668 90.00 90.00 120.00 P 31 2 1 6 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.012026 0.006943 0.000000 0.00000 SCALE2 0.000000 0.013886 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010676 0.00000